<template>
  <div class="login-container">
    <div class="logo" />
    <div class="form">
      <h1>登录</h1>
      <el-card shadow="hover" class="login-card">
        <!--登录表单-->
        <!-- el-form > el-form-item > el-input -->
        <el-form ref="form" :model="loginForm" :rules="loginRules">
          <el-form-item prop="mobile">
            <el-input v-model="loginForm.mobile" placeholder="请输入手机号" />
          </el-form-item>
          <el-form-item prop="password">
            <el-input v-model="loginForm.password" show-password placeholder="请输入密码" />
          </el-form-item>
          <el-form-item prop="isAgree">
            <el-checkbox v-model="loginForm.isAgree">
              用户平台使用协议
            </el-checkbox>
          </el-form-item>
          <el-form-item>
            <el-button style="width:350px" type="primary" @click="login">登录</el-button>
          </el-form-item>
        </el-form>
      </el-card>
    </div>
  </div>
</template>
<script>
export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        mobile: '',
        password: '',
        isAgree: false
      },
      loginRules: {
        mobile: [{
          required: true,
          message: '请输入手机号',
          trigger: 'blur'
        }, {
          pattern: /^1[3-9]\d{9}$/,
          message: '手机号格式不正确',
          trigger: 'blur'

        }],
        password: [{
          required: true,
          message: '请输入密码',
          trigger: 'blur'
        }, {
          min: 6,
          max: 16,
          message: '密码长度应该为6-16位之间',
          trigger: 'blur'

        }],
        // required只能检测 null undefined ""
        isAgree: [{
          validator: (rule, value, callback) => {
            // rule校验规则
            // value 校验的值
            // callback 函数 - promise resolve reject
            // callback() callback(new Error(错误信息))
            value ? callback() : callback(new Error('您必须勾选用户的使用协议'))
          }
        }]
      }
    }
  },
  methods: {
    login() {
      this.$refs.form.validate((isOK) => {
        if (isOK) {
          alert('校验通过')
        }
      })
    }
  }
}
</script>
<style lang="scss">
.login-container {
  display: flex;
  // justify-content: center;
  align-items: stretch;
  // 1vh = 1% * 视口高度
  height: 100vh;
  .logo {
    flex: 2;
    background: url(../../assets/common/login_back.png)
      no-repeat center / cover;
  
    // fxc: 如果采用纯色背景，不采用图片作为背景的测试
    // 注意：因为 前面设置了 flex 的值，貌似 设置 width 属性无效
    // height: 100vh;
    // background: rgba(38, 72, 176);

    border-top-right-radius: 30px;  //设置背景图片右上角弧度值
    // display: flex;
    // flex-direction: column;
    // align-items: flex-end;
    // justify-content: center;
    padding: 0 100px;
    // .icon {
    //   background: url(../../assets/common/logo.png) no-repeat 70px center /
    //     contain;
    //   width: 300px;
    //   height: 50px;
    //   margin-bottom: 50px;
    // }
    // p {
    //   color: #fff;
    //   font-size: 18px;
    //   margin-top: 20px;
    //   width: 300px;
    //   text-align: center;
    // }
  }
  .form {
    flex: 3;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-left: 176px;
    h1 {
      padding-left: 20px;
      font-size: 32px;
    }    
    .el-card {
      border: 0;
      // border: 2px solid;
      padding: 0;
      .el-input {
        width: 350px;
        height: 44px;
        .el-input__inner {
          background: #f4f5fb;  //输入框的背景颜色
        }
      } 
      .el-checkbox {
        color:#f80b2b;  //复选框未被选中时的字体颜色
      }           
    }
  }
}
</style>
